diff --git a/C_library/calculating.c b/C_library/calculating.c
index e0c0776..28fea41 100644
--- a/C_library/calculating.c
+++ b/C_library/calculating.c
@@ -27,7 +27,7 @@ double calculating(double cost, double mod, double marg) {
 }
 
 // Функция amortization
-double amortization(double a, double t, double spi, int year) {
+double amortization(double a, double t, double spi) {
 
     // количество минут в году
     double minutes_in_year = 525600;    
diff --git a/C_library/calculating.h b/C_library/calculating.h
index 80bdc02..41d206e 100644
--- a/C_library/calculating.h
+++ b/C_library/calculating.h
@@ -7,6 +7,6 @@
 // Объявления функций
 double cost_prise(double p, double t, double h, double md, double d, double st, double mk, double am, double post, int x);
 double calculating(double cost, double mod, double marg);
-double amortization(double a, double t, double spi, int year);
+double amortization(double a, double t, double spi);
 
 #endif // CALCULATING_H
\ No newline at end of file
diff --git a/C_library/main.c b/C_library/main.c
index f8e4405..19840c5 100644
--- a/C_library/main.c
+++ b/C_library/main.c
@@ -51,13 +51,8 @@ int main() {
     printf("Постобработка (руб): ");
     scanf("%lf", &post);
 
-    // Получение текущего года
-    time_t now = time(NULL);
-    struct tm *local = localtime(&now);
-    int year = local->tm_year + 1900;
-
     // Расчет амортизации
-    double am = amortization(a, t, spi, year);
+    double am = amortization(a, t, spi);
 
     // Расчет себестоимости
     double cost = cost_prise(p, t, h, md, d, st, mk, am, post, x);